Table 2.

Overall prevalence of parasitic diseases investigated, stratified by sex, among 400 schoolchildren in Nyamatongo ward, northwest Tanzania.

		Prevalence of infection (%)
	Overall N (%)	95% confidence interval	Females (n = 204) N (%)	Males (n = 196) N (%)	P-value (males vs. females)
Schistosomes
Schistosoma mansoni	257	59.9-68.8	135	122	P = 0.31
	(64.3%)		(66.18%)	(62.24%)
Soil-transmitted helminths
Hookworm	152	33.7-42.8	78 (38.23%)	74 (37.8%)	P = 0.70
	(38.5%)
Plasmodia
Plasmodium falciparum	54 (13.5%)	10.2-16.9	34 (16.7%)	20 (10.2%)	P = 0.26
Plasmodium ovale	3 (0.8%)	0-10.9	2 (0.98%)	1 (0.51%)
At least one parasitic	218	46.6-59.4	110	108	P = 0.39
infection	(54.5%)		(53.92%)	(55.10%)
Two or more parasitic	116 (29%)	24.6-33.4	61 (29.90%)	55 (47.41%)
infections